---
id: options-largeTitle
title: Large Title Options
sidebar_label: Large Title
---

Controls the top bar large title on iOS, available on iOS 11 and above.

```js
const options = {
  topBar: {
    largeTitle: {},
  },
};
```

### `visible`

Controls whether the large title is visible or not.

| Type    | Required | Platform |
| ------- | -------- | -------- |
| boolean | No       | iOS      |

### `fontSize`

Set the title font size. On Android this value is in `sp`.

| Type   | Required | Platform |
| ------ | -------- | -------- |
| number | No       | iOS      |

### `color`

Large title text color.

| Type  | Required | Platform |
| ----- | -------- | -------- |
| Color | No       | iOS      |

### `fontFamily`

Set the large title [FontFamily](../docs/style-fonts.mdx).

| Type       | Required | Platform |
| ---------- | -------- | -------- |
| FontFamily | No       | iOS      |

### `fontStyle`

| Type                     | Required | Platform |
| ------------------------ | -------- | -------- |
| enum('normal', 'italic') | No       | iOS      |

### `fontWeight`

| Type                                                                                  | Required | Platform |
| ------------------------------------------------------------------------------------- | -------- | -------- |
| enum('normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900') | No       | iOS      |
